/*+
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    SDL - Simple DirectMedia Layer+
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    Copyright (C) 1997-2006 Sam Lantinga+
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+
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    This library is free software; you can redistribute it and/or+
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    modify it under the terms of the GNU Lesser General Public+
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    License as published by the Free Software Foundation; either+
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    version 2.1 of the License, or (at your option) any later version.+
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+
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    This library is distributed in the hope that it will be useful,+
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    but WITHOUT ANY WARRANTY; without even the implied warranty of+
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU+
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    Lesser General Public License for more details.+
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+
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    You should have received a copy of the GNU Lesser General Public+
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    License along with this library; if not, write to the Free Software+
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA+
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+
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    Sam Lantinga+
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    slouken@libsdl.org+
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*/+
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#include "SDL_config.h"+
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#include "SDL_stdinc.h"+
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+
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#include "soundcommon.h"+
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+
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void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format)+
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{+
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	soundsystem->rate = rate;+
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	+
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	if(format == 8) +
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		soundsystem->buffersize = buffersize;+
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	else if(format == 16)+
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		soundsystem->buffersize = buffersize * sizeof(short);+
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+
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	soundsystem->mixbuffer = (s8*)SDL_malloc(soundsystem->buffersize);+
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	//soundsystem->soundbuffer = soundsystem->mixbuffer;+
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	soundsystem->format = format;+
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	soundsystem->channel = channel;+
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	soundsystem->prevtimer = 0;+
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	soundsystem->soundcursor = 0;+
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	soundsystem->numsamples = 0;+
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	soundsystem->period = 0x1000000 / rate;+
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	soundsystem->cmd = INIT;+
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}+
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+
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void SoundStartMixer(void)+
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{+
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	soundsystem->cmd |= MIX;+
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}+
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+
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void SendCommandToArm7(u32 command)+
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{+
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    while (REG_IPC_FIFO_CR & IPC_FIFO_SEND_FULL);+
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    if (REG_IPC_FIFO_CR & IPC_FIFO_ERROR)+
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    {+
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        REG_IPC_FIFO_CR |= IPC_FIFO_SEND_CLEAR;+
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    } +
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    +
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    REG_IPC_FIFO_TX = command;+
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}+
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